// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "net/cert/x509_util.h"

#include <algorithm>
#include <memory>

#include "base/memory/ref_counted.h"
#include "base/time/time.h"
#include "crypto/rsa_private_key.h"
#include "net/cert/x509_certificate.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace net {

namespace x509_util {

    TEST(X509UtilTest, SortClientCertificates)
    {
        CertificateList certs;
        certs.push_back(nullptr);

        std::unique_ptr<crypto::RSAPrivateKey> key(
            crypto::RSAPrivateKey::Create(1024));
        ASSERT_TRUE(key);

        scoped_refptr<X509Certificate> cert;
        std::string der_cert;

        ASSERT_TRUE(CreateSelfSignedCert(key.get(), x509_util::DIGEST_SHA1,
            "CN=expired", 1, base::Time::UnixEpoch(),
            base::Time::UnixEpoch(), &der_cert));
        cert = X509Certificate::CreateFromBytes(der_cert.data(), der_cert.size());
        ASSERT_TRUE(cert);
        certs.push_back(cert);

        const base::Time now = base::Time::Now();

        ASSERT_TRUE(CreateSelfSignedCert(
            key.get(), x509_util::DIGEST_SHA1, "CN=not yet valid", 2,
            now + base::TimeDelta::FromDays(10), now + base::TimeDelta::FromDays(15),
            &der_cert));
        cert = X509Certificate::CreateFromBytes(der_cert.data(), der_cert.size());
        ASSERT_TRUE(cert);
        certs.push_back(cert);

        ASSERT_TRUE(
            CreateSelfSignedCert(key.get(), x509_util::DIGEST_SHA1, "CN=older cert",
                3, now - base::TimeDelta::FromDays(5),
                now + base::TimeDelta::FromDays(5), &der_cert));
        cert = X509Certificate::CreateFromBytes(der_cert.data(), der_cert.size());
        ASSERT_TRUE(cert);
        certs.push_back(cert);

        certs.push_back(nullptr);

        ASSERT_TRUE(
            CreateSelfSignedCert(key.get(), x509_util::DIGEST_SHA1, "CN=newer cert",
                2, now - base::TimeDelta::FromDays(3),
                now + base::TimeDelta::FromDays(5), &der_cert));
        cert = X509Certificate::CreateFromBytes(der_cert.data(), der_cert.size());
        ASSERT_TRUE(cert);
        certs.push_back(cert);

        std::sort(certs.begin(), certs.end(), ClientCertSorter());

        ASSERT_EQ(6u, certs.size());
        ASSERT_TRUE(certs[0].get());
        EXPECT_EQ("newer cert", certs[0]->subject().common_name);
        ASSERT_TRUE(certs[1].get());
        EXPECT_EQ("older cert", certs[1]->subject().common_name);
        ASSERT_TRUE(certs[2].get());
        EXPECT_EQ("not yet valid", certs[2]->subject().common_name);
        ASSERT_TRUE(certs[3].get());
        EXPECT_EQ("expired", certs[3]->subject().common_name);
        ASSERT_FALSE(certs[4].get());
        ASSERT_FALSE(certs[5].get());
    }

    // This test creates a self-signed cert and a private key and then verifies the
    // content of the certificate.
    TEST(X509UtilTest, CreateKeyAndSelfSigned)
    {
        std::unique_ptr<crypto::RSAPrivateKey> private_key;

        std::string der_cert;
        ASSERT_TRUE(x509_util::CreateKeyAndSelfSignedCert(
            "CN=subject",
            1,
            base::Time::Now(),
            base::Time::Now() + base::TimeDelta::FromDays(1),
            &private_key,
            &der_cert));

        ASSERT_TRUE(private_key.get());

        scoped_refptr<X509Certificate> cert(X509Certificate::CreateFromBytes(
            der_cert.data(), der_cert.size()));
        ASSERT_TRUE(cert.get());

        EXPECT_EQ("subject", cert->subject().GetDisplayName());
        EXPECT_FALSE(cert->HasExpired());
    }

    // This test creates a self-signed cert from a private key and then verifies the
    // content of the certificate.
    TEST(X509UtilTest, CreateSelfSigned)
    {
        const uint8_t private_key_info[] = {
            0x30, 0x82, 0x02, 0x78, 0x02, 0x01, 0x00, 0x30,
            0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7,
            0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x04, 0x82,
            0x02, 0x62, 0x30, 0x82, 0x02, 0x5e, 0x02, 0x01,
            0x00, 0x02, 0x81, 0x81, 0x00, 0xb8, 0x7f, 0x2b,
            0x20, 0xdc, 0x7c, 0x9b, 0x0c, 0xdc, 0x51, 0x61,
            0x99, 0x0d, 0x36, 0x0f, 0xd4, 0x66, 0x88, 0x08,
            0x55, 0x84, 0xd5, 0x3a, 0xbf, 0x2b, 0xa4, 0x64,
            0x85, 0x7b, 0x0c, 0x04, 0x13, 0x3f, 0x8d, 0xf4,
            0xbc, 0x38, 0x0d, 0x49, 0xfe, 0x6b, 0xc4, 0x5a,
            0xb0, 0x40, 0x53, 0x3a, 0xd7, 0x66, 0x09, 0x0f,
            0x9e, 0x36, 0x74, 0x30, 0xda, 0x8a, 0x31, 0x4f,
            0x1f, 0x14, 0x50, 0xd7, 0xc7, 0x20, 0x94, 0x17,
            0xde, 0x4e, 0xb9, 0x57, 0x5e, 0x7e, 0x0a, 0xe5,
            0xb2, 0x65, 0x7a, 0x89, 0x4e, 0xb6, 0x47, 0xff,
            0x1c, 0xbd, 0xb7, 0x38, 0x13, 0xaf, 0x47, 0x85,
            0x84, 0x32, 0x33, 0xf3, 0x17, 0x49, 0xbf, 0xe9,
            0x96, 0xd0, 0xd6, 0x14, 0x6f, 0x13, 0x8d, 0xc5,
            0xfc, 0x2c, 0x72, 0xba, 0xac, 0xea, 0x7e, 0x18,
            0x53, 0x56, 0xa6, 0x83, 0xa2, 0xce, 0x93, 0x93,
            0xe7, 0x1f, 0x0f, 0xe6, 0x0f, 0x02, 0x03, 0x01,
            0x00, 0x01, 0x02, 0x81, 0x80, 0x03, 0x61, 0x89,
            0x37, 0xcb, 0xf2, 0x98, 0xa0, 0xce, 0xb4, 0xcb,
            0x16, 0x13, 0xf0, 0xe6, 0xaf, 0x5c, 0xc5, 0xa7,
            0x69, 0x71, 0xca, 0xba, 0x8d, 0xe0, 0x4d, 0xdd,
            0xed, 0xb8, 0x48, 0x8b, 0x16, 0x93, 0x36, 0x95,
            0xc2, 0x91, 0x40, 0x65, 0x17, 0xbd, 0x7f, 0xd6,
            0xad, 0x9e, 0x30, 0x28, 0x46, 0xe4, 0x3e, 0xcc,
            0x43, 0x78, 0xf9, 0xfe, 0x1f, 0x33, 0x23, 0x1e,
            0x31, 0x12, 0x9d, 0x3c, 0xa7, 0x08, 0x82, 0x7b,
            0x7d, 0x25, 0x4e, 0x5e, 0x19, 0xa8, 0x9b, 0xed,
            0x86, 0xb2, 0xcb, 0x3c, 0xfe, 0x4e, 0xa1, 0xfa,
            0x62, 0x87, 0x3a, 0x17, 0xf7, 0x60, 0xec, 0x38,
            0x29, 0xe8, 0x4f, 0x34, 0x9f, 0x76, 0x9d, 0xee,
            0xa3, 0xf6, 0x85, 0x6b, 0x84, 0x43, 0xc9, 0x1e,
            0x01, 0xff, 0xfd, 0xd0, 0x29, 0x4c, 0xfa, 0x8e,
            0x57, 0x0c, 0xc0, 0x71, 0xa5, 0xbb, 0x88, 0x46,
            0x29, 0x5c, 0xc0, 0x4f, 0x01, 0x02, 0x41, 0x00,
            0xf5, 0x83, 0xa4, 0x64, 0x4a, 0xf2, 0xdd, 0x8c,
            0x2c, 0xed, 0xa8, 0xd5, 0x60, 0x5a, 0xe4, 0xc7,
            0xcc, 0x61, 0xcd, 0x38, 0x42, 0x20, 0xd3, 0x82,
            0x18, 0xf2, 0x35, 0x00, 0x72, 0x2d, 0xf7, 0x89,
            0x80, 0x67, 0xb5, 0x93, 0x05, 0x5f, 0xdd, 0x42,
            0xba, 0x16, 0x1a, 0xea, 0x15, 0xc6, 0xf0, 0xb8,
            0x8c, 0xbc, 0xbf, 0x54, 0x9e, 0xf1, 0xc1, 0xb2,
            0xb3, 0x8b, 0xb6, 0x26, 0x02, 0x30, 0xc4, 0x81,
            0x02, 0x41, 0x00, 0xc0, 0x60, 0x62, 0x80, 0xe1,
            0x22, 0x78, 0xf6, 0x9d, 0x83, 0x18, 0xeb, 0x72,
            0x45, 0xd7, 0xc8, 0x01, 0x7f, 0xa9, 0xca, 0x8f,
            0x7d, 0xd6, 0xb8, 0x31, 0x2b, 0x84, 0x7f, 0x62,
            0xd9, 0xa9, 0x22, 0x17, 0x7d, 0x06, 0x35, 0x6c,
            0xf3, 0xc1, 0x94, 0x17, 0x85, 0x5a, 0xaf, 0x9c,
            0x5c, 0x09, 0x3c, 0xcf, 0x2f, 0x44, 0x9d, 0xb6,
            0x52, 0x68, 0x5f, 0xf9, 0x59, 0xc8, 0x84, 0x2b,
            0x39, 0x22, 0x8f, 0x02, 0x41, 0x00, 0xb2, 0x04,
            0xe2, 0x0e, 0x56, 0xca, 0x03, 0x1a, 0xc0, 0xf9,
            0x12, 0x92, 0xa5, 0x6b, 0x42, 0xb8, 0x1c, 0xda,
            0x4d, 0x93, 0x9d, 0x5f, 0x6f, 0xfd, 0xc5, 0x58,
            0xda, 0x55, 0x98, 0x74, 0xfc, 0x28, 0x17, 0x93,
            0x1b, 0x75, 0x9f, 0x50, 0x03, 0x7f, 0x7e, 0xae,
            0xc8, 0x95, 0x33, 0x75, 0x2c, 0xd6, 0xa4, 0x35,
            0xb8, 0x06, 0x03, 0xba, 0x08, 0x59, 0x2b, 0x17,
            0x02, 0xdc, 0x4c, 0x7a, 0x50, 0x01, 0x02, 0x41,
            0x00, 0x9d, 0xdb, 0x39, 0x59, 0x09, 0xe4, 0x30,
            0xa0, 0x24, 0xf5, 0xdb, 0x2f, 0xf0, 0x2f, 0xf1,
            0x75, 0x74, 0x0d, 0x5e, 0xb5, 0x11, 0x73, 0xb0,
            0x0a, 0xaa, 0x86, 0x4c, 0x0d, 0xff, 0x7e, 0x1d,
            0xb4, 0x14, 0xd4, 0x09, 0x91, 0x33, 0x5a, 0xfd,
            0xa0, 0x58, 0x80, 0x9b, 0xbe, 0x78, 0x2e, 0x69,
            0x82, 0x15, 0x7c, 0x72, 0xf0, 0x7b, 0x18, 0x39,
            0xff, 0x6e, 0xeb, 0xc6, 0x86, 0xf5, 0xb4, 0xc7,
            0x6f, 0x02, 0x41, 0x00, 0x8d, 0x1a, 0x37, 0x0f,
            0x76, 0xc4, 0x82, 0xfa, 0x5c, 0xc3, 0x79, 0x35,
            0x3e, 0x70, 0x8a, 0xbf, 0x27, 0x49, 0xb0, 0x99,
            0x63, 0xcb, 0x77, 0x5f, 0xa8, 0x82, 0x65, 0xf6,
            0x03, 0x52, 0x51, 0xf1, 0xae, 0x2e, 0x05, 0xb3,
            0xc6, 0xa4, 0x92, 0xd1, 0xce, 0x6c, 0x72, 0xfb,
            0x21, 0xb3, 0x02, 0x87, 0xe4, 0xfd, 0x61, 0xca,
            0x00, 0x42, 0x19, 0xf0, 0xda, 0x5a, 0x53, 0xe3,
            0xb1, 0xc5, 0x15, 0xf3
        };

        std::vector<uint8_t> input;
        input.resize(sizeof(private_key_info));
        memcpy(&input.front(), private_key_info, sizeof(private_key_info));

        std::unique_ptr<crypto::RSAPrivateKey> private_key(
            crypto::RSAPrivateKey::CreateFromPrivateKeyInfo(input));
        ASSERT_TRUE(private_key.get());

        std::string der_cert;
        ASSERT_TRUE(x509_util::CreateSelfSignedCert(
            private_key.get(),
            x509_util::DIGEST_SHA1,
            "CN=subject",
            1,
            base::Time::Now(),
            base::Time::Now() + base::TimeDelta::FromDays(1),
            &der_cert));

        scoped_refptr<X509Certificate> cert = X509Certificate::CreateFromBytes(der_cert.data(), der_cert.size());
        ASSERT_TRUE(cert.get());

        EXPECT_EQ("subject", cert->subject().GetDisplayName());
        EXPECT_FALSE(cert->HasExpired());
    }

    // This is a test case based on
    // http://blogs.msdn.com/b/openspecification/archive/2013/03/26/ntlm-and-channel-binding-hash-aka-exteneded-protection-for-authentication.aspx
    // There doesn't seem to be too many public test vectors for channel bindings.
    TEST(X509UtilTest, CreateChannelBindings_SHA1)
    {
        // Certificate:
        //     Data:
        //         Version: 3 (0x2)
        //         Serial Number:
        //              (Negative)34:96:86:32:ae:8a:3a:48:b4:98:cf:7c:93:87:bb:d9
        //     Signature Algorithm: sha1WithRSA
        //       ...
        const uint8_t kCertificateDataDER[] = {
            0x30, 0x82, 0x02, 0x09, 0x30, 0x82, 0x01, 0x76, 0xa0, 0x03, 0x02, 0x01,
            0x02, 0x02, 0x10, 0xcb, 0x69, 0x79, 0xcd, 0x51, 0x75, 0xc5, 0xb7, 0x4b,
            0x67, 0x30, 0x83, 0x6c, 0x78, 0x44, 0x27, 0x30, 0x09, 0x06, 0x05, 0x2b,
            0x0e, 0x03, 0x02, 0x1d, 0x05, 0x00, 0x30, 0x16, 0x31, 0x14, 0x30, 0x12,
            0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x0b, 0x44, 0x43, 0x2d, 0x57, 0x53,
            0x32, 0x30, 0x30, 0x38, 0x52, 0x32, 0x30, 0x1e, 0x17, 0x0d, 0x31, 0x32,
            0x31, 0x31, 0x31, 0x37, 0x30, 0x30, 0x35, 0x39, 0x32, 0x31, 0x5a, 0x17,
            0x0d, 0x33, 0x39, 0x31, 0x32, 0x33, 0x31, 0x32, 0x33, 0x35, 0x39, 0x35,
            0x39, 0x5a, 0x30, 0x16, 0x31, 0x14, 0x30, 0x12, 0x06, 0x03, 0x55, 0x04,
            0x03, 0x13, 0x0b, 0x44, 0x43, 0x2d, 0x57, 0x53, 0x32, 0x30, 0x30, 0x38,
            0x52, 0x32, 0x30, 0x81, 0x9f, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48,
            0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x81, 0x8d, 0x00,
            0x30, 0x81, 0x89, 0x02, 0x81, 0x81, 0x00, 0x9b, 0x00, 0xf8, 0x1a, 0x2d,
            0x37, 0xc6, 0x8d, 0xa1, 0x39, 0x91, 0x46, 0xf3, 0x6a, 0x1b, 0xf9, 0x60,
            0x6c, 0xb3, 0x6c, 0xa0, 0xac, 0xed, 0x85, 0xe0, 0x3f, 0xdc, 0x92, 0x86,
            0x36, 0xbd, 0x64, 0xbf, 0x36, 0x51, 0xdb, 0x57, 0x3a, 0x8a, 0x82, 0x6b,
            0xd8, 0x94, 0x17, 0x7b, 0xd3, 0x91, 0x11, 0x98, 0xef, 0x19, 0x06, 0x52,
            0x30, 0x03, 0x73, 0x67, 0xc8, 0xed, 0x8e, 0xfa, 0x0b, 0x3d, 0x4c, 0xc9,
            0x10, 0x63, 0x9f, 0xcf, 0xb4, 0xcf, 0x39, 0xd8, 0xfe, 0x99, 0xeb, 0x5b,
            0x11, 0xf2, 0xfc, 0xfa, 0x86, 0x24, 0xd9, 0xff, 0xd9, 0x19, 0xf5, 0x69,
            0xb4, 0xdf, 0x5a, 0x5a, 0xc4, 0x94, 0xb4, 0xb0, 0x07, 0x25, 0x97, 0x13,
            0xad, 0x7e, 0x38, 0x14, 0xfb, 0xd6, 0x33, 0x65, 0x6f, 0xe6, 0xf7, 0x48,
            0x4b, 0x2d, 0xb3, 0x51, 0x2e, 0x6d, 0xc7, 0xea, 0x11, 0x76, 0x9a, 0x2b,
            0xf0, 0x00, 0x4d, 0x02, 0x03, 0x01, 0x00, 0x01, 0xa3, 0x60, 0x30, 0x5e,
            0x30, 0x13, 0x06, 0x03, 0x55, 0x1d, 0x25, 0x04, 0x0c, 0x30, 0x0a, 0x06,
            0x08, 0x2b, 0x06, 0x01, 0x05, 0x05, 0x07, 0x03, 0x01, 0x30, 0x47, 0x06,
            0x03, 0x55, 0x1d, 0x01, 0x04, 0x40, 0x30, 0x3e, 0x80, 0x10, 0xeb, 0x65,
            0x26, 0x03, 0x95, 0x4b, 0xd6, 0xc0, 0x54, 0x75, 0x78, 0x7c, 0xb6, 0x2a,
            0xa1, 0xbb, 0xa1, 0x18, 0x30, 0x16, 0x31, 0x14, 0x30, 0x12, 0x06, 0x03,
            0x55, 0x04, 0x03, 0x13, 0x0b, 0x44, 0x43, 0x2d, 0x57, 0x53, 0x32, 0x30,
            0x30, 0x38, 0x52, 0x32, 0x82, 0x10, 0xcb, 0x69, 0x79, 0xcd, 0x51, 0x75,
            0xc5, 0xb7, 0x4b, 0x67, 0x30, 0x83, 0x6c, 0x78, 0x44, 0x27, 0x30, 0x09,
            0x06, 0x05, 0x2b, 0x0e, 0x03, 0x02, 0x1d, 0x05, 0x00, 0x03, 0x81, 0x81,
            0x00, 0x7b, 0xfa, 0xfe, 0xee, 0x74, 0x05, 0xac, 0xbb, 0x79, 0xe9, 0xda,
            0xca, 0x00, 0x44, 0x96, 0x94, 0x71, 0x92, 0xb1, 0xdb, 0xc9, 0x9b, 0x71,
            0x29, 0xc0, 0xe4, 0x28, 0x5e, 0x6a, 0x50, 0x99, 0xcd, 0xa8, 0x17, 0xe4,
            0x56, 0xb9, 0xef, 0x7f, 0x02, 0x7d, 0x96, 0xa3, 0x48, 0x14, 0x72, 0x75,
            0x2f, 0xb0, 0xb5, 0x87, 0xee, 0x55, 0xe9, 0x6a, 0x6d, 0x28, 0x3c, 0xc1,
            0xfd, 0x00, 0xe4, 0x76, 0xe3, 0x80, 0x88, 0x78, 0x26, 0x0d, 0x6c, 0x8c,
            0xb8, 0x64, 0x61, 0x63, 0xb7, 0x13, 0x3a, 0xab, 0xc7, 0xdd, 0x1d, 0x0a,
            0xd7, 0x15, 0x45, 0xa1, 0xd6, 0xd9, 0x34, 0xc7, 0x21, 0x48, 0xfb, 0x43,
            0x87, 0x38, 0xda, 0x1f, 0x50, 0x47, 0xb1, 0xa5, 0x5c, 0x47, 0xed, 0x04,
            0x44, 0x97, 0xd3, 0xac, 0x74, 0x2d, 0xeb, 0x09, 0x77, 0x59, 0xbf, 0xa3,
            0x54, 0x5b, 0xde, 0x42, 0xd5, 0x23, 0x5a, 0x71, 0x9f
        };

        const unsigned char kExpectedServerEndPointToken[] = {
            0x74,
            0x6c,
            0x73,
            0x2d,
            0x73,
            0x65,
            0x72,
            0x76,
            0x65,
            0x72,
            0x2d,
            0x65,
            0x6e,
            0x64,
            0x2d,
            0x70,
            0x6f,
            0x69,
            0x6e,
            0x74,
            0x3a,
            0xea,
            0x05,
            0xfe,
            0xfe,
            0xcc,
            0x6b,
            0x0b,
            0xd5,
            0x71,
            0xdb,
            0xbc,
            0x5b,
            0xaa,
            0x3e,
            0xd4,
            0x53,
            0x86,
            0xd0,
            0x44,
            0x68,
            0x35,
            0xf7,
            0xb7,
            0x4c,
            0x85,
            0x62,
            0x1b,
            0x99,
            0x83,
            0x47,
            0x5f,
            0x95,
        };

        scoped_refptr<X509Certificate> cert = X509Certificate::CreateFromBytes(
            reinterpret_cast<const char*>(kCertificateDataDER),
            sizeof(kCertificateDataDER));

        std::string channel_bindings;
        ASSERT_TRUE(
            x509_util::GetTLSServerEndPointChannelBinding(*cert, &channel_bindings));

        std::string expected_channel_bindings(
            std::begin(kExpectedServerEndPointToken),
            std::end(kExpectedServerEndPointToken));
        EXPECT_EQ(expected_channel_bindings, channel_bindings);
    }

    TEST(X509UtilTest, CreateChannelBindings_SHA256)
    {
        // Certificate:
        //  Data:
        //      Version: 3 (0x2)
        //      Serial Number: 14673274151129443507 (0xcba1f1191dfdecb3)
        //  Signature Algorithm: sha256WithRSAEncryption
        //    ...
        const uint8_t kCertificateDataDER[] = {
            0x30, 0x82, 0x03, 0x8f, 0x30, 0x82, 0x02, 0x77, 0xa0, 0x03, 0x02, 0x01,
            0x02, 0x02, 0x09, 0x00, 0xcb, 0xa1, 0xf1, 0x19, 0x1d, 0xfd, 0xec, 0xb3,
            0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01,
            0x0b, 0x05, 0x00, 0x30, 0x5e, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55,
            0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03,
            0x55, 0x04, 0x08, 0x0c, 0x02, 0x4d, 0x41, 0x31, 0x12, 0x30, 0x10, 0x06,
            0x03, 0x55, 0x04, 0x07, 0x0c, 0x09, 0x43, 0x61, 0x6d, 0x62, 0x72, 0x69,
            0x64, 0x67, 0x65, 0x31, 0x14, 0x30, 0x12, 0x06, 0x03, 0x55, 0x04, 0x0a,
            0x0c, 0x0b, 0x4d, 0x6d, 0x6d, 0x6b, 0x61, 0x79, 0x20, 0x49, 0x6e, 0x63,
            0x2e, 0x31, 0x18, 0x30, 0x16, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0c, 0x0f,
            0x77, 0x77, 0x77, 0x2e, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x2e,
            0x63, 0x6f, 0x6d, 0x30, 0x1e, 0x17, 0x0d, 0x31, 0x36, 0x30, 0x33, 0x31,
            0x37, 0x31, 0x39, 0x33, 0x39, 0x34, 0x34, 0x5a, 0x17, 0x0d, 0x31, 0x36,
            0x30, 0x34, 0x31, 0x36, 0x31, 0x39, 0x33, 0x39, 0x34, 0x34, 0x5a, 0x30,
            0x5e, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02,
            0x55, 0x53, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x08, 0x0c,
            0x02, 0x4d, 0x41, 0x31, 0x12, 0x30, 0x10, 0x06, 0x03, 0x55, 0x04, 0x07,
            0x0c, 0x09, 0x43, 0x61, 0x6d, 0x62, 0x72, 0x69, 0x64, 0x67, 0x65, 0x31,
            0x14, 0x30, 0x12, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x0c, 0x0b, 0x4d, 0x6d,
            0x6d, 0x6b, 0x61, 0x79, 0x20, 0x49, 0x6e, 0x63, 0x2e, 0x31, 0x18, 0x30,
            0x16, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0c, 0x0f, 0x77, 0x77, 0x77, 0x2e,
            0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x30,
            0x82, 0x01, 0x22, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7,
            0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x82, 0x01, 0x0f, 0x00, 0x30,
            0x82, 0x01, 0x0a, 0x02, 0x82, 0x01, 0x01, 0x00, 0xc6, 0x31, 0xfe, 0x13,
            0x0a, 0xb2, 0x87, 0xc0, 0xb9, 0xa4, 0xb9, 0x86, 0x98, 0x92, 0xc1, 0x48,
            0x41, 0x89, 0xd9, 0xe6, 0xe9, 0x36, 0x1a, 0xd6, 0x1c, 0xcb, 0x86, 0x3a,
            0xec, 0x34, 0x3a, 0xbf, 0x2a, 0xe7, 0x91, 0x33, 0xf4, 0x3e, 0xa4, 0x1b,
            0x9a, 0xc3, 0xa4, 0x66, 0xa0, 0x6d, 0xbf, 0x75, 0x44, 0x1a, 0x79, 0xda,
            0x23, 0x06, 0x5c, 0x07, 0x5c, 0x52, 0x84, 0x46, 0x40, 0xcf, 0x26, 0xa1,
            0x65, 0x65, 0x4e, 0x36, 0x1a, 0xd2, 0xc9, 0x40, 0x28, 0x1e, 0x6f, 0x4f,
            0x7e, 0xb7, 0x10, 0xcd, 0x55, 0x6c, 0xca, 0xf1, 0xfa, 0x66, 0xfb, 0x3e,
            0xb0, 0xf4, 0xc1, 0x92, 0xec, 0xec, 0x0c, 0x1c, 0x79, 0x23, 0x5d, 0xf6,
            0xc0, 0xed, 0xb7, 0x39, 0xa7, 0x59, 0x98, 0xa7, 0x9d, 0x9e, 0x3b, 0xe1,
            0x77, 0x8b, 0x2d, 0x2b, 0x02, 0x5f, 0x30, 0x46, 0xa9, 0x78, 0x47, 0x6f,
            0x05, 0x7d, 0xbc, 0x84, 0x37, 0x09, 0x40, 0x20, 0xba, 0x16, 0x96, 0x4c,
            0xfd, 0xea, 0x83, 0x3e, 0x50, 0xda, 0x24, 0xf4, 0x61, 0x52, 0xfe, 0x9b,
            0xd5, 0x71, 0x37, 0x18, 0x11, 0xe0, 0x7c, 0xbe, 0x98, 0x95, 0x6c, 0x61,
            0xab, 0x9b, 0xdc, 0x5c, 0x59, 0x7d, 0x85, 0x0c, 0xc5, 0x32, 0x07, 0x65,
            0x1e, 0x6a, 0x15, 0xe6, 0xbd, 0xc6, 0xbd, 0xd5, 0x91, 0xea, 0x9d, 0x2f,
            0x0f, 0xdf, 0xef, 0xff, 0x1e, 0x2d, 0x50, 0x44, 0xca, 0x38, 0x27, 0xe3,
            0x20, 0x79, 0x44, 0x47, 0x7a, 0xe3, 0xea, 0x7a, 0x70, 0x41, 0x26, 0x87,
            0xe0, 0x1a, 0x49, 0x1d, 0x62, 0x34, 0xe5, 0xde, 0xc3, 0xb3, 0x12, 0xb8,
            0xa2, 0xf9, 0xad, 0x1b, 0x6a, 0x0f, 0x04, 0xa8, 0xfb, 0xca, 0xe4, 0x01,
            0x6d, 0x77, 0x1f, 0x72, 0xff, 0x58, 0x49, 0x05, 0x1c, 0x1a, 0xb7, 0x76,
            0x29, 0x77, 0x93, 0xcc, 0x09, 0xe8, 0xb7, 0x03, 0x2f, 0x1b, 0xe2, 0xcd,
            0x02, 0x03, 0x01, 0x00, 0x01, 0xa3, 0x50, 0x30, 0x4e, 0x30, 0x1d, 0x06,
            0x03, 0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0xb7, 0x64, 0x60, 0xe7,
            0x6e, 0xb6, 0xaa, 0x25, 0x46, 0xe2, 0x8e, 0x98, 0xac, 0x81, 0xb0, 0xe7,
            0x10, 0x14, 0x85, 0x6d, 0x30, 0x1f, 0x06, 0x03, 0x55, 0x1d, 0x23, 0x04,
            0x18, 0x30, 0x16, 0x80, 0x14, 0xb7, 0x64, 0x60, 0xe7, 0x6e, 0xb6, 0xaa,
            0x25, 0x46, 0xe2, 0x8e, 0x98, 0xac, 0x81, 0xb0, 0xe7, 0x10, 0x14, 0x85,
            0x6d, 0x30, 0x0c, 0x06, 0x03, 0x55, 0x1d, 0x13, 0x04, 0x05, 0x30, 0x03,
            0x01, 0x01, 0xff, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7,
            0x0d, 0x01, 0x01, 0x0b, 0x05, 0x00, 0x03, 0x82, 0x01, 0x01, 0x00, 0x44,
            0xc4, 0x46, 0x89, 0x69, 0x21, 0xd0, 0x81, 0x30, 0xe3, 0x38, 0xb8, 0x80,
            0xa5, 0x23, 0xd4, 0xfc, 0xe5, 0x12, 0x0f, 0xab, 0x01, 0x44, 0x67, 0xe4,
            0x59, 0x86, 0xd0, 0xa1, 0x8c, 0x2b, 0x36, 0xf0, 0x63, 0x51, 0xbe, 0x24,
            0xfa, 0xf3, 0x1d, 0xc9, 0xfd, 0x40, 0x99, 0x48, 0xea, 0x95, 0x6e, 0xab,
            0xcf, 0xeb, 0x2b, 0x2d, 0x4e, 0xd2, 0xdf, 0xb2, 0xb9, 0x18, 0x27, 0xe3,
            0xc9, 0x17, 0xde, 0x25, 0x6c, 0xcc, 0x80, 0x5a, 0xd5, 0x3b, 0xc5, 0xc8,
            0x3a, 0xc6, 0xcb, 0xa0, 0x33, 0xd3, 0x80, 0x20, 0x4e, 0x3f, 0x61, 0x67,
            0x16, 0x0e, 0xbc, 0xf3, 0x25, 0xe9, 0x62, 0xfa, 0x7f, 0x0e, 0x75, 0x11,
            0xcb, 0x68, 0x24, 0x34, 0x96, 0x1d, 0xb2, 0x88, 0xb7, 0xeb, 0x5e, 0x9c,
            0xc7, 0xa0, 0x3b, 0xcf, 0x4e, 0x3c, 0x7c, 0x6c, 0x29, 0x1b, 0xa5, 0x74,
            0x4d, 0x90, 0xe1, 0xd9, 0x6a, 0x6c, 0x54, 0x6b, 0xce, 0x3d, 0x70, 0x99,
            0xf0, 0x11, 0xc3, 0xda, 0xce, 0xe9, 0xba, 0xc4, 0x91, 0x97, 0xe7, 0x44,
            0x09, 0xa4, 0x39, 0x36, 0xb5, 0xff, 0x3a, 0xce, 0x5d, 0xf1, 0x0b, 0x03,
            0xab, 0xea, 0x0c, 0xe6, 0xbd, 0xd4, 0x43, 0xed, 0x8d, 0x9c, 0xcd, 0x8e,
            0x14, 0xf9, 0xa7, 0xc7, 0xdc, 0xe0, 0xd8, 0xe7, 0x37, 0xf5, 0x48, 0xe8,
            0x84, 0x4c, 0xcd, 0x70, 0x1b, 0xe5, 0x71, 0xa7, 0x4d, 0xc3, 0x03, 0x5e,
            0x50, 0x8a, 0xc4, 0x7c, 0x9c, 0xa4, 0x6f, 0x91, 0xfa, 0x9f, 0xdc, 0xef,
            0x2b, 0x42, 0xe7, 0xd0, 0x0d, 0x60, 0x72, 0x71, 0xe7, 0x13, 0xff, 0x43,
            0xcb, 0x64, 0x33, 0x37, 0x2e, 0xe9, 0x09, 0xeb, 0x7e, 0x8f, 0x15, 0x99,
            0xc9, 0x0d, 0xb0, 0xcb, 0xf0, 0x1f, 0x02, 0xf7, 0xb7, 0x3a, 0xa0, 0x6b,
            0x57, 0xb3, 0x33, 0x14, 0xdb, 0x06, 0x7f, 0x98, 0x6f, 0xc4, 0x32, 0xd5,
            0x14, 0x83, 0x7a
        };

        const unsigned char kExpectedServerEndPointToken[] = {
            0x74,
            0x6c,
            0x73,
            0x2d,
            0x73,
            0x65,
            0x72,
            0x76,
            0x65,
            0x72,
            0x2d,
            0x65,
            0x6e,
            0x64,
            0x2d,
            0x70,
            0x6f,
            0x69,
            0x6e,
            0x74,
            0x3a,
            0x96,
            0x4c,
            0xd0,
            0x44,
            0x53,
            0x81,
            0x0b,
            0x35,
            0x01,
            0x05,
            0x54,
            0x02,
            0x15,
            0x79,
            0xac,
            0x74,
            0x3c,
            0xa4,
            0x91,
            0xa2,
            0xb7,
            0x60,
            0xbe,
            0x75,
            0x57,
            0x0e,
            0xaf,
            0xa3,
            0x10,
            0xbf,
            0xf1,
            0xbb,
        };

        scoped_refptr<X509Certificate> cert = X509Certificate::CreateFromBytes(
            reinterpret_cast<const char*>(kCertificateDataDER),
            sizeof(kCertificateDataDER));

        std::string channel_bindings;
        ASSERT_TRUE(
            x509_util::GetTLSServerEndPointChannelBinding(*cert, &channel_bindings));

        std::string expected_channel_bindings(
            std::begin(kExpectedServerEndPointToken),
            std::end(kExpectedServerEndPointToken));
        EXPECT_EQ(expected_channel_bindings, channel_bindings);
    }

    TEST(X509UtilTest, CreateChannelBindings_SHA384)
    {
        // Certificate:
        //  Data:
        //      Version: 3 (0x2)
        //      Serial Number: 10071585730232401378 (0x8bc575dc2f653de2)
        //  Signature Algorithm: sha384WithRSAEncryption
        //    ...
        const uint8_t kCertificateDataDER[] = {
            0x30, 0x82, 0x03, 0xe1, 0x30, 0x82, 0x02, 0xc9, 0xa0, 0x03, 0x02, 0x01,
            0x02, 0x02, 0x09, 0x00, 0x8b, 0xc5, 0x75, 0xdc, 0x2f, 0x65, 0x3d, 0xe2,
            0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01,
            0x0c, 0x05, 0x00, 0x30, 0x81, 0x86, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03,
            0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x0b, 0x30, 0x09, 0x06,
            0x03, 0x55, 0x04, 0x08, 0x0c, 0x02, 0x4d, 0x41, 0x31, 0x12, 0x30, 0x10,
            0x06, 0x03, 0x55, 0x04, 0x07, 0x0c, 0x09, 0x43, 0x61, 0x6d, 0x62, 0x72,
            0x69, 0x64, 0x67, 0x65, 0x31, 0x14, 0x30, 0x12, 0x06, 0x03, 0x55, 0x04,
            0x0a, 0x0c, 0x0b, 0x4d, 0x6d, 0x6d, 0x6b, 0x61, 0x79, 0x20, 0x49, 0x6e,
            0x63, 0x2e, 0x31, 0x26, 0x30, 0x24, 0x06, 0x03, 0x55, 0x04, 0x0b, 0x0c,
            0x1d, 0x52, 0x61, 0x6e, 0x64, 0x6f, 0x6d, 0x20, 0x43, 0x65, 0x72, 0x74,
            0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x65, 0x20, 0x47, 0x65, 0x6e, 0x65,
            0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x31, 0x18, 0x30, 0x16, 0x06, 0x03,
            0x55, 0x04, 0x03, 0x0c, 0x0f, 0x77, 0x77, 0x77, 0x2e, 0x65, 0x78, 0x61,
            0x6d, 0x70, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x30, 0x1e, 0x17, 0x0d,
            0x31, 0x36, 0x30, 0x33, 0x31, 0x37, 0x31, 0x39, 0x35, 0x36, 0x34, 0x39,
            0x5a, 0x17, 0x0d, 0x31, 0x36, 0x30, 0x34, 0x31, 0x36, 0x31, 0x39, 0x35,
            0x36, 0x34, 0x39, 0x5a, 0x30, 0x81, 0x86, 0x31, 0x0b, 0x30, 0x09, 0x06,
            0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x0b, 0x30, 0x09,
            0x06, 0x03, 0x55, 0x04, 0x08, 0x0c, 0x02, 0x4d, 0x41, 0x31, 0x12, 0x30,
            0x10, 0x06, 0x03, 0x55, 0x04, 0x07, 0x0c, 0x09, 0x43, 0x61, 0x6d, 0x62,
            0x72, 0x69, 0x64, 0x67, 0x65, 0x31, 0x14, 0x30, 0x12, 0x06, 0x03, 0x55,
            0x04, 0x0a, 0x0c, 0x0b, 0x4d, 0x6d, 0x6d, 0x6b, 0x61, 0x79, 0x20, 0x49,
            0x6e, 0x63, 0x2e, 0x31, 0x26, 0x30, 0x24, 0x06, 0x03, 0x55, 0x04, 0x0b,
            0x0c, 0x1d, 0x52, 0x61, 0x6e, 0x64, 0x6f, 0x6d, 0x20, 0x43, 0x65, 0x72,
            0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x65, 0x20, 0x47, 0x65, 0x6e,
            0x65, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x31, 0x18, 0x30, 0x16, 0x06,
            0x03, 0x55, 0x04, 0x03, 0x0c, 0x0f, 0x77, 0x77, 0x77, 0x2e, 0x65, 0x78,
            0x61, 0x6d, 0x70, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x30, 0x82, 0x01,
            0x22, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01,
            0x01, 0x01, 0x05, 0x00, 0x03, 0x82, 0x01, 0x0f, 0x00, 0x30, 0x82, 0x01,
            0x0a, 0x02, 0x82, 0x01, 0x01, 0x00, 0xb4, 0xfa, 0x6c, 0xe7, 0xac, 0x91,
            0xa4, 0x00, 0xe1, 0xe8, 0xed, 0x5b, 0xe5, 0x86, 0x6b, 0x3d, 0x1d, 0x87,
            0xf7, 0x49, 0x5a, 0xda, 0x67, 0x65, 0x34, 0x57, 0x7b, 0x70, 0x71, 0x11,
            0xbd, 0xee, 0xfe, 0x01, 0x91, 0xb6, 0x43, 0x11, 0x0f, 0xec, 0x3f, 0x2f,
            0x05, 0xdb, 0x28, 0x44, 0x7e, 0x9c, 0x2b, 0xbb, 0xe9, 0x49, 0x2b, 0x62,
            0x1e, 0x8b, 0x4c, 0xf9, 0xa8, 0x2f, 0xfb, 0x24, 0x83, 0x13, 0xeb, 0x7f,
            0x52, 0x4c, 0xbb, 0xc5, 0x89, 0x6c, 0xe4, 0x22, 0xc0, 0x0c, 0x71, 0xda,
            0xb2, 0x36, 0xae, 0xc8, 0xe5, 0x10, 0x8f, 0x4a, 0x68, 0x65, 0xc3, 0x07,
            0xb5, 0xcf, 0xec, 0x08, 0xd9, 0x4b, 0x13, 0x4a, 0x25, 0x56, 0xec, 0x74,
            0x4d, 0xb3, 0xb5, 0x77, 0x3f, 0xf9, 0xa5, 0x0b, 0x15, 0x80, 0xf9, 0xe7,
            0x01, 0x4b, 0x73, 0x6a, 0x1e, 0xc8, 0xb0, 0x7a, 0x58, 0x13, 0x25, 0x50,
            0x40, 0x7e, 0x5c, 0x5d, 0xff, 0x2b, 0x9d, 0xf5, 0x43, 0xd2, 0xed, 0xca,
            0x87, 0xe3, 0x4e, 0x9f, 0x25, 0xa7, 0x75, 0xe9, 0x48, 0x7e, 0xb9, 0x38,
            0x74, 0x3f, 0x30, 0x6b, 0xec, 0x94, 0xb8, 0x0f, 0x00, 0x41, 0x60, 0xaa,
            0x48, 0x7d, 0x17, 0x65, 0x1a, 0x9a, 0x0d, 0x49, 0x18, 0xe8, 0x72, 0xbb,
            0x16, 0x37, 0xa0, 0x65, 0x0c, 0xe4, 0x69, 0x0f, 0x93, 0xca, 0x80, 0x7e,
            0xf6, 0x90, 0xbd, 0xf2, 0x86, 0xa3, 0xb6, 0x81, 0x7c, 0xe3, 0x40, 0x7a,
            0x65, 0x33, 0x71, 0xfd, 0x8c, 0xe6, 0xf6, 0x63, 0xcf, 0x40, 0xdd, 0x29,
            0xf2, 0x15, 0x25, 0x96, 0x1a, 0xa5, 0x14, 0x1e, 0xa2, 0xfd, 0x53, 0xb8,
            0xbc, 0x20, 0x10, 0x87, 0xcb, 0x8e, 0x24, 0xa9, 0x47, 0x60, 0x47, 0xcc,
            0xb2, 0x2e, 0xe5, 0x0f, 0x3e, 0x2c, 0x22, 0x9a, 0x1b, 0x46, 0x5a, 0xe4,
            0x2b, 0x7f, 0x4a, 0xab, 0x33, 0x49, 0xea, 0xd8, 0x6a, 0xd5, 0x02, 0x03,
            0x01, 0x00, 0x01, 0xa3, 0x50, 0x30, 0x4e, 0x30, 0x1d, 0x06, 0x03, 0x55,
            0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0x0f, 0x62, 0xc9, 0x94, 0xc0, 0x00,
            0x55, 0x51, 0x60, 0x36, 0xce, 0xd6, 0x4d, 0x6b, 0x5e, 0x20, 0x02, 0x6c,
            0x2e, 0xed, 0x30, 0x1f, 0x06, 0x03, 0x55, 0x1d, 0x23, 0x04, 0x18, 0x30,
            0x16, 0x80, 0x14, 0x0f, 0x62, 0xc9, 0x94, 0xc0, 0x00, 0x55, 0x51, 0x60,
            0x36, 0xce, 0xd6, 0x4d, 0x6b, 0x5e, 0x20, 0x02, 0x6c, 0x2e, 0xed, 0x30,
            0x0c, 0x06, 0x03, 0x55, 0x1d, 0x13, 0x04, 0x05, 0x30, 0x03, 0x01, 0x01,
            0xff, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01,
            0x01, 0x0c, 0x05, 0x00, 0x03, 0x82, 0x01, 0x01, 0x00, 0x31, 0x7f, 0xcd,
            0x8b, 0xf1, 0x9c, 0x87, 0x59, 0xed, 0xe2, 0x36, 0x18, 0x84, 0x1c, 0x54,
            0x4e, 0x92, 0x45, 0xaf, 0xe9, 0xa1, 0x78, 0x89, 0x6e, 0xad, 0xec, 0x51,
            0xf9, 0x81, 0x70, 0xd9, 0x94, 0x01, 0xa9, 0x2a, 0x0d, 0x5f, 0xda, 0x83,
            0x49, 0x32, 0x24, 0x7e, 0xfd, 0x73, 0x97, 0xa2, 0x05, 0xd4, 0xf1, 0xb7,
            0x3f, 0xa0, 0x49, 0xbc, 0x0c, 0x85, 0x3e, 0xd3, 0x15, 0x67, 0xef, 0x5f,
            0xfb, 0xbe, 0x0d, 0x2a, 0x97, 0xcd, 0xaa, 0x24, 0x1e, 0x5a, 0xdd, 0x47,
            0xcf, 0x70, 0xe4, 0x93, 0xe6, 0xc3, 0xad, 0x78, 0x84, 0x60, 0xfa, 0x16,
            0x2e, 0xcc, 0x98, 0x88, 0xde, 0x80, 0xbb, 0x8f, 0x46, 0xfd, 0x59, 0x95,
            0xb4, 0x0b, 0x07, 0x8a, 0x67, 0x04, 0x10, 0xbd, 0x32, 0xb0, 0xa2, 0xfe,
            0x0f, 0xe0, 0x3e, 0x49, 0x84, 0x89, 0xc6, 0x18, 0xd9, 0xca, 0xdd, 0x63,
            0x0d, 0x55, 0x46, 0x56, 0xd1, 0x83, 0xcb, 0x0d, 0x23, 0x21, 0xb3, 0x59,
            0xa9, 0xd5, 0x56, 0x83, 0x4f, 0xf0, 0x92, 0x0b, 0xcc, 0xed, 0x93, 0x02,
            0xe7, 0x07, 0x92, 0x15, 0x90, 0x18, 0x78, 0xc9, 0xf4, 0x59, 0x0e, 0xbe,
            0xaa, 0x3e, 0x91, 0xb7, 0x81, 0xa2, 0x0c, 0x28, 0x04, 0xde, 0x78, 0xb0,
            0xd1, 0x54, 0x90, 0x8f, 0x3c, 0xfd, 0x2e, 0x36, 0x6e, 0xfe, 0x7b, 0xf6,
            0xce, 0x65, 0xae, 0x99, 0xa5, 0x38, 0x29, 0x4b, 0x13, 0x2f, 0x01, 0xa8,
            0xb0, 0xd0, 0x43, 0x22, 0x01, 0xd1, 0x71, 0x35, 0x93, 0xcf, 0x1e, 0x9e,
            0x05, 0x03, 0x05, 0xff, 0xfc, 0x35, 0x34, 0x6f, 0x49, 0x04, 0xe6, 0x58,
            0xa6, 0x0a, 0xb6, 0x13, 0x67, 0xd8, 0x1e, 0xe7, 0x33, 0x0f, 0x51, 0xb1,
            0x5c, 0x75, 0x1c, 0xea, 0x2b, 0x94, 0xec, 0x32, 0x7e, 0xb0, 0x8c, 0xb7,
            0x63, 0xf4, 0x83, 0x58, 0x3e, 0x47, 0xb7, 0x92, 0x67, 0x2c, 0xd5, 0xdb,
            0x48
        };

        const unsigned char kExpectedServerEndPointToken[] = {
            0x74,
            0x6c,
            0x73,
            0x2d,
            0x73,
            0x65,
            0x72,
            0x76,
            0x65,
            0x72,
            0x2d,
            0x65,
            0x6e,
            0x64,
            0x2d,
            0x70,
            0x6f,
            0x69,
            0x6e,
            0x74,
            0x3a,
            0x9c,
            0xd9,
            0x91,
            0xd4,
            0x57,
            0x1b,
            0x64,
            0x9d,
            0x84,
            0x31,
            0xfd,
            0xda,
            0x3d,
            0xaa,
            0x2e,
            0x26,
            0xab,
            0xee,
            0x40,
            0x6b,
            0x95,
            0x36,
            0x82,
            0xc4,
            0x5f,
            0xad,
            0xc1,
            0x26,
            0x29,
            0x72,
            0xda,
            0xe6,
            0xfd,
            0xa6,
            0xd8,
            0x0e,
            0xab,
            0xa2,
            0xca,
            0x7d,
            0x7d,
            0x18,
            0xa8,
            0xee,
            0x80,
            0x26,
            0xb2,
            0x1f,
        };

        scoped_refptr<X509Certificate> cert = X509Certificate::CreateFromBytes(
            reinterpret_cast<const char*>(kCertificateDataDER),
            sizeof(kCertificateDataDER));

        std::string channel_bindings;
        ASSERT_TRUE(
            x509_util::GetTLSServerEndPointChannelBinding(*cert, &channel_bindings));

        std::string expected_channel_bindings(
            std::begin(kExpectedServerEndPointToken),
            std::end(kExpectedServerEndPointToken));
        EXPECT_EQ(expected_channel_bindings, channel_bindings);
    }

    TEST(X509UtilTest, CreateChannelBindings_SHA512)
    {
        // Certificate:
        //  Data:
        //      Version: 3 (0x2)
        //      Serial Number: 15197703563697605045 (0xd2e916decbe249b5)
        //  Signature Algorithm: sha512WithRSAEncryption
        //    ...
        const uint8_t kCertificateDataDER[] = {
            0x30,
            0x82,
            0x03,
            0x81,
            0x30,
            0x82,
            0x02,
            0x69,
            0xa0,
            0x03,
            0x02,
            0x01,
            0x02,
            0x02,
            0x09,
            0x00,
            0xd2,
            0xe9,
            0x16,
            0xde,
            0xcb,
            0xe2,
            0x49,
            0xb5,
            0x30,
            0x0d,
            0x06,
            0x09,
            0x2a,
            0x86,
            0x48,
            0x86,
            0xf7,
            0x0d,
            0x01,
            0x01,
            0x0d,
            0x05,
            0x00,
            0x30,
            0x57,
            0x31,
            0x0b,
            0x30,
            0x09,
            0x06,
            0x03,
            0x55,
            0x04,
            0x06,
            0x13,
            0x02,
            0x55,
            0x53,
            0x31,
            0x0b,
            0x30,
            0x09,
            0x06,
            0x03,
            0x55,
            0x04,
            0x08,
            0x0c,
            0x02,
            0x4d,
            0x41,
            0x31,
            0x12,
            0x30,
            0x10,
            0x06,
            0x03,
            0x55,
            0x04,
            0x07,
            0x0c,
            0x09,
            0x43,
            0x61,
            0x6d,
            0x62,
            0x72,
            0x69,
            0x64,
            0x67,
            0x65,
            0x31,
            0x0d,
            0x30,
            0x0b,
            0x06,
            0x03,
            0x55,
            0x04,
            0x0a,
            0x0c,
            0x04,
            0x42,
            0x6c,
            0x61,
            0x68,
            0x31,
            0x18,
            0x30,
            0x16,
            0x06,
            0x03,
            0x55,
            0x04,
            0x03,
            0x0c,
            0x0f,
            0x77,
            0x77,
            0x77,
            0x2e,
            0x65,
            0x78,
            0x61,
            0x6d,
            0x70,
            0x6c,
            0x65,
            0x2e,
            0x63,
            0x6f,
            0x6d,
            0x30,
            0x1e,
            0x17,
            0x0d,
            0x31,
            0x36,
            0x30,
            0x33,
            0x31,
            0x37,
            0x32,
            0x30,
            0x31,
            0x33,
            0x31,
            0x30,
            0x5a,
            0x17,
            0x0d,
            0x31,
            0x36,
            0x30,
            0x34,
            0x31,
            0x36,
            0x32,
            0x30,
            0x31,
            0x33,
            0x31,
            0x30,
            0x5a,
            0x30,
            0x57,
            0x31,
            0x0b,
            0x30,
            0x09,
            0x06,
            0x03,
            0x55,
            0x04,
            0x06,
            0x13,
            0x02,
            0x55,
            0x53,
            0x31,
            0x0b,
            0x30,
            0x09,
            0x06,
            0x03,
            0x55,
            0x04,
            0x08,
            0x0c,
            0x02,
            0x4d,
            0x41,
            0x31,
            0x12,
            0x30,
            0x10,
            0x06,
            0x03,
            0x55,
            0x04,
            0x07,
            0x0c,
            0x09,
            0x43,
            0x61,
            0x6d,
            0x62,
            0x72,
            0x69,
            0x64,
            0x67,
            0x65,
            0x31,
            0x0d,
            0x30,
            0x0b,
            0x06,
            0x03,
            0x55,
            0x04,
            0x0a,
            0x0c,
            0x04,
            0x42,
            0x6c,
            0x61,
            0x68,
            0x31,
            0x18,
            0x30,
            0x16,
            0x06,
            0x03,
            0x55,
            0x04,
            0x03,
            0x0c,
            0x0f,
            0x77,
            0x77,
            0x77,
            0x2e,
            0x65,
            0x78,
            0x61,
            0x6d,
            0x70,
            0x6c,
            0x65,
            0x2e,
            0x63,
            0x6f,
            0x6d,
            0x30,
            0x82,
            0x01,
            0x22,
            0x30,
            0x0d,
            0x06,
            0x09,
            0x2a,
            0x86,
            0x48,
            0x86,
            0xf7,
            0x0d,
            0x01,
            0x01,
            0x01,
            0x05,
            0x00,
            0x03,
            0x82,
            0x01,
            0x0f,
            0x00,
            0x30,
            0x82,
            0x01,
            0x0a,
            0x02,
            0x82,
            0x01,
            0x01,
            0x00,
            0xd3,
            0xec,
            0x61,
            0x08,
            0xbd,
            0x91,
            0x94,
            0x07,
            0xaf,
            0xf1,
            0xf5,
            0xeb,
            0x84,
            0x6d,
            0x4b,
            0x42,
            0x0b,
            0x40,
            0xb6,
            0x6a,
            0x51,
            0x4d,
            0x41,
            0xde,
            0x1c,
            0xad,
            0xf2,
            0xcb,
            0x73,
            0xdb,
            0x41,
            0x54,
            0xd2,
            0x13,
            0xd6,
            0xe9,
            0x9b,
            0xbe,
            0x49,
            0x3c,
            0x6a,
            0xeb,
            0x16,
            0xa1,
            0xee,
            0x88,
            0xbf,
            0x58,
            0xe6,
            0x25,
            0x52,
            0x84,
            0xdd,
            0x3d,
            0x62,
            0x34,
            0x22,
            0x81,
            0x98,
            0x55,
            0x0d,
            0xce,
            0x6e,
            0xf1,
            0x72,
            0xae,
            0x70,
            0x34,
            0x51,
            0x4b,
            0x54,
            0xc8,
            0x79,
            0xe3,
            0x57,
            0xab,
            0x24,
            0xc0,
            0x29,
            0x67,
            0x38,
            0xb1,
            0x7f,
            0x71,
            0x32,
            0x60,
            0x08,
            0x34,
            0xa1,
            0x92,
            0x6d,
            0x78,
            0xd6,
            0x16,
            0x73,
            0x68,
            0x32,
            0x8b,
            0xf8,
            0x95,
            0xa5,
            0x79,
            0xfb,
            0xa5,
            0xd3,
            0x8d,
            0xb2,
            0xa4,
            0x4d,
            0xc3,
            0x22,
            0xff,
            0x2f,
            0xae,
            0x6f,
            0x12,
            0xc9,
            0xa6,
            0xad,
            0xe3,
            0x6d,
            0xc7,
            0x40,
            0x9b,
            0x6a,
            0xba,
            0x3c,
            0x8c,
            0xf3,
            0x85,
            0xa6,
            0xc0,
            0xbd,
            0x49,
            0xb6,
            0x4f,
            0xed,
            0xaf,
            0x10,
            0xb4,
            0x17,
            0x26,
            0x40,
            0x21,
            0x01,
            0xb7,
            0xa9,
            0xf0,
            0x06,
            0x98,
            0xfa,
            0x03,
            0x09,
            0xe1,
            0xfc,
            0x7e,
            0xcd,
            0x70,
            0x09,
            0xcb,
            0x19,
            0x00,
            0x0a,
            0x3c,
            0x3a,
            0xd8,
            0x95,
            0xfc,
            0xd7,
            0x2e,
            0x92,
            0x06,
            0x25,
            0x03,
            0xbd,
            0x3f,
            0x05,
            0xf4,
            0x89,
            0x23,
            0x41,
            0x08,
            0xc8,
            0x3c,
            0x62,
            0xdc,
            0x25,
            0xed,
            0x01,
            0x68,
            0xf3,
            0x75,
            0x4d,
            0xc5,
            0xc2,
            0xb0,
            0x36,
            0xb3,
            0x0f,
            0x78,
            0x4a,
            0x2c,
            0xa7,
            0xbb,
            0x13,
            0x38,
            0x09,
            0xfd,
            0x49,
            0x95,
            0x99,
            0x4c,
            0x23,
            0x36,
            0x0a,
            0x0f,
            0x70,
            0xbe,
            0x02,
            0xc3,
            0x50,
            0x30,
            0xb4,
            0xaa,
            0x7d,
            0x47,
            0x42,
            0xbe,
            0x62,
            0x59,
            0xbe,
            0x88,
            0xc4,
            0x96,
            0x42,
            0x63,
            0xf3,
            0x27,
            0x09,
            0x30,
            0x9e,
            0x58,
            0xe6,
            0xbe,
            0x12,
            0x2b,
            0x22,
            0x11,
            0x72,
            0x65,
            0x6c,
            0x47,
            0x50,
            0x8c,
            0x69,
            0x0b,
            0x02,
            0x03,
            0x01,
            0x00,
            0x01,
            0xa3,
            0x50,
            0x30,
            0x4e,
            0x30,
            0x1d,
            0x06,
            0x03,
            0x55,
            0x1d,
            0x0e,
            0x04,
            0x16,
            0x04,
            0x14,
            0x40,
            0x1f,
            0x60,
            0x96,
            0x13,
            0x3e,
            0xb4,
            0x93,
            0x65,
            0x71,
            0x0e,
            0x1b,
            0xa3,
            0xe6,
            0x25,
            0x21,
            0xd6,
            0x90,
            0x69,
            0xed,
            0x30,
            0x1f,
            0x06,
            0x03,
            0x55,
            0x1d,
            0x23,
            0x04,
            0x18,
            0x30,
            0x16,
            0x80,
            0x14,
            0x40,
            0x1f,
            0x60,
            0x96,
            0x13,
            0x3e,
            0xb4,
            0x93,
            0x65,
            0x71,
            0x0e,
            0x1b,
            0xa3,
            0xe6,
            0x25,
            0x21,
            0xd6,
            0x90,
            0x69,
            0xed,
            0x30,
            0x0c,
            0x06,
            0x03,
            0x55,
            0x1d,
            0x13,
            0x04,
            0x05,
            0x30,
            0x03,
            0x01,
            0x01,
            0xff,
            0x30,
            0x0d,
            0x06,
            0x09,
            0x2a,
            0x86,
            0x48,
            0x86,
            0xf7,
            0x0d,
            0x01,
            0x01,
            0x0d,
            0x05,
            0x00,
            0x03,
            0x82,
            0x01,
            0x01,
            0x00,
            0x03,
            0x4e,
            0x0b,
            0xdd,
            0x81,
            0xe9,
            0xf9,
            0x91,
            0x92,
            0xa2,
            0x77,
            0xd0,
            0x8f,
            0x73,
            0xb6,
            0x28,
            0x7d,
            0x3e,
            0x2f,
            0x36,
            0x25,
            0x01,
            0x0f,
            0x66,
            0x14,
            0x4d,
            0x98,
            0x9d,
            0x90,
            0x08,
            0x41,
            0xfa,
            0xe0,
            0x8e,
            0x15,
            0xb6,
            0xf9,
            0x2c,
            0x67,
            0x02,
            0x31,
            0x79,
            0xa4,
            0x2f,
            0xb7,
            0xf0,
            0xf2,
            0xfa,
            0x28,
            0xcf,
            0xe5,
            0x71,
            0x57,
            0xd2,
            0x18,
            0xd5,
            0xbd,
            0x2b,
            0xa8,
            0x88,
            0x10,
            0xaf,
            0xe9,
            0x68,
            0x97,
            0xb0,
            0x04,
            0x3f,
            0x07,
            0x5d,
            0xb0,
            0xc6,
            0xfd,
            0x34,
            0xf0,
            0x14,
            0xea,
            0x81,
            0xf5,
            0x00,
            0xd7,
            0xe5,
            0x0b,
            0xde,
            0x9a,
            0x78,
            0x93,
            0xe9,
            0x64,
            0x38,
            0x93,
            0x53,
            0x57,
            0x5c,
            0x22,
            0x1d,
            0xec,
            0xec,
            0x77,
            0xc9,
            0xed,
            0x79,
            0x8b,
            0x85,
            0xe6,
            0xf2,
            0xb0,
            0x11,
            0x34,
            0x25,
            0x20,
            0xdb,
            0x3a,
            0x82,
            0x72,
            0x15,
            0x6e,
            0xbb,
            0x2b,
            0x6c,
            0xad,
            0x26,
            0x4d,
            0xb4,
            0x2b,
            0xd4,
            0xd5,
            0x45,
            0x19,
            0x6f,
            0x3c,
            0xd3,
            0x42,
            0x53,
            0xdb,
            0x70,
            0x6b,
            0xd1,
            0x9f,
            0x24,
            0x40,
            0x55,
            0xad,
            0x64,
            0x7e,
            0x66,
            0x80,
            0x45,
            0xfb,
            0x30,
            0x97,
            0x20,
            0x3d,
            0x3e,
            0x14,
            0xfe,
            0x88,
            0x0d,
            0xd9,
            0x3a,
            0x7e,
            0x30,
            0x5c,
            0x75,
            0x87,
            0x59,
            0x37,
            0xe7,
            0xb9,
            0xff,
            0x3d,
            0xf8,
            0x47,
            0xe4,
            0xb7,
            0xa6,
            0xcc,
            0x62,
            0xc8,
            0xfa,
            0x55,
            0x93,
            0xe8,
            0xe4,
            0x33,
            0x29,
            0x33,
            0x91,
            0xeb,
            0x16,
            0x95,
            0xdc,
            0x63,
            0xaf,
            0x5e,
            0x9b,
            0x0c,
            0xa4,
            0x99,
            0x20,
            0x90,
            0x80,
            0x1c,
            0xbe,
            0x9f,
            0x22,
            0x93,
            0x21,
            0xe1,
            0x1c,
            0x16,
            0x92,
            0x42,
            0x42,
            0x67,
            0xfb,
            0xf3,
            0x31,
            0x8c,
            0x78,
            0x41,
            0x43,
            0xed,
            0x5f,
            0x09,
            0x0b,
            0x21,
            0x72,
            0x40,
            0x95,
            0xdb,
            0xd7,
            0x8d,
            0x2a,
            0xe1,
            0x52,
            0x03,
            0x57,
            0xc8,
            0x7b,
            0x15,
            0x90,
            0x92,
            0xdf,
            0x07,
            0x11,
            0xfb,
            0xf7,
            0x25,
            0xbe,
            0xcb,
            0x0b,
            0xfa,
            0xa6,
            0x34,
            0x61,
        };

        const unsigned char kExpectedServerEndPointToken[] = {
            0x74,
            0x6c,
            0x73,
            0x2d,
            0x73,
            0x65,
            0x72,
            0x76,
            0x65,
            0x72,
            0x2d,
            0x65,
            0x6e,
            0x64,
            0x2d,
            0x70,
            0x6f,
            0x69,
            0x6e,
            0x74,
            0x3a,
            0x2c,
            0x33,
            0xc9,
            0xee,
            0x30,
            0xa1,
            0x99,
            0xdc,
            0x19,
            0x48,
            0x0a,
            0xec,
            0xc5,
            0x1d,
            0x94,
            0xc7,
            0x84,
            0x3d,
            0xc7,
            0x9e,
            0x51,
            0xee,
            0xbc,
            0x23,
            0x33,
            0xfd,
            0xeb,
            0x20,
            0x78,
            0x3b,
            0x93,
            0xe8,
            0xe6,
            0x78,
            0x10,
            0xd7,
            0x5e,
            0x37,
            0x48,
            0x04,
            0x07,
            0x5f,
            0x57,
            0xe6,
            0x16,
            0xe2,
            0x45,
            0x44,
            0xa3,
            0x71,
            0x8c,
            0xef,
            0x95,
            0x08,
            0x6b,
            0x0c,
            0xaa,
            0x65,
            0x51,
            0x51,
            0x60,
            0x4f,
            0x58,
            0x28,
        };

        scoped_refptr<X509Certificate> cert = X509Certificate::CreateFromBytes(
            reinterpret_cast<const char*>(kCertificateDataDER),
            sizeof(kCertificateDataDER));

        std::string channel_bindings;
        ASSERT_TRUE(
            x509_util::GetTLSServerEndPointChannelBinding(*cert, &channel_bindings));

        std::string expected_channel_bindings(
            std::begin(kExpectedServerEndPointToken),
            std::end(kExpectedServerEndPointToken));
        EXPECT_EQ(expected_channel_bindings, channel_bindings);
    }

    TEST(X509UtilTest, CreateChannelBindings_Unsupported_MD4)
    {
        // Certificate:
        //  Data:
        //      Version: 3 (0x2)
        //      Serial Number: 12629177056471137087 (0xaf43d99ee079bb3f)
        //  Signature Algorithm: md4WithRSAEncryption
        //  ...
        const uint8_t kCertificateDataDER[] = {
            0x30,
            0x82,
            0x03,
            0x87,
            0x30,
            0x82,
            0x02,
            0x6f,
            0xa0,
            0x03,
            0x02,
            0x01,
            0x02,
            0x02,
            0x09,
            0x00,
            0xaf,
            0x43,
            0xd9,
            0x9e,
            0xe0,
            0x79,
            0xbb,
            0x3f,
            0x30,
            0x0d,
            0x06,
            0x09,
            0x2a,
            0x86,
            0x48,
            0x86,
            0xf7,
            0x0d,
            0x01,
            0x01,
            0x03,
            0x05,
            0x00,
            0x30,
            0x5a,
            0x31,
            0x0b,
            0x30,
            0x09,
            0x06,
            0x03,
            0x55,
            0x04,
            0x06,
            0x13,
            0x02,
            0x55,
            0x53,
            0x31,
            0x0b,
            0x30,
            0x09,
            0x06,
            0x03,
            0x55,
            0x04,
            0x08,
            0x0c,
            0x02,
            0x4d,
            0x41,
            0x31,
            0x12,
            0x30,
            0x10,
            0x06,
            0x03,
            0x55,
            0x04,
            0x07,
            0x0c,
            0x09,
            0x43,
            0x61,
            0x6d,
            0x62,
            0x72,
            0x69,
            0x64,
            0x67,
            0x65,
            0x31,
            0x10,
            0x30,
            0x0e,
            0x06,
            0x03,
            0x55,
            0x04,
            0x0a,
            0x0c,
            0x07,
            0x45,
            0x78,
            0x61,
            0x6d,
            0x70,
            0x6c,
            0x65,
            0x31,
            0x18,
            0x30,
            0x16,
            0x06,
            0x03,
            0x55,
            0x04,
            0x03,
            0x0c,
            0x0f,
            0x77,
            0x77,
            0x77,
            0x2e,
            0x65,
            0x78,
            0x61,
            0x6d,
            0x70,
            0x6c,
            0x65,
            0x2e,
            0x63,
            0x6f,
            0x6d,
            0x30,
            0x1e,
            0x17,
            0x0d,
            0x31,
            0x36,
            0x30,
            0x33,
            0x31,
            0x37,
            0x32,
            0x30,
            0x31,
            0x39,
            0x35,
            0x39,
            0x5a,
            0x17,
            0x0d,
            0x31,
            0x36,
            0x30,
            0x34,
            0x31,
            0x36,
            0x32,
            0x30,
            0x31,
            0x39,
            0x35,
            0x39,
            0x5a,
            0x30,
            0x5a,
            0x31,
            0x0b,
            0x30,
            0x09,
            0x06,
            0x03,
            0x55,
            0x04,
            0x06,
            0x13,
            0x02,
            0x55,
            0x53,
            0x31,
            0x0b,
            0x30,
            0x09,
            0x06,
            0x03,
            0x55,
            0x04,
            0x08,
            0x0c,
            0x02,
            0x4d,
            0x41,
            0x31,
            0x12,
            0x30,
            0x10,
            0x06,
            0x03,
            0x55,
            0x04,
            0x07,
            0x0c,
            0x09,
            0x43,
            0x61,
            0x6d,
            0x62,
            0x72,
            0x69,
            0x64,
            0x67,
            0x65,
            0x31,
            0x10,
            0x30,
            0x0e,
            0x06,
            0x03,
            0x55,
            0x04,
            0x0a,
            0x0c,
            0x07,
            0x45,
            0x78,
            0x61,
            0x6d,
            0x70,
            0x6c,
            0x65,
            0x31,
            0x18,
            0x30,
            0x16,
            0x06,
            0x03,
            0x55,
            0x04,
            0x03,
            0x0c,
            0x0f,
            0x77,
            0x77,
            0x77,
            0x2e,
            0x65,
            0x78,
            0x61,
            0x6d,
            0x70,
            0x6c,
            0x65,
            0x2e,
            0x63,
            0x6f,
            0x6d,
            0x30,
            0x82,
            0x01,
            0x22,
            0x30,
            0x0d,
            0x06,
            0x09,
            0x2a,
            0x86,
            0x48,
            0x86,
            0xf7,
            0x0d,
            0x01,
            0x01,
            0x01,
            0x05,
            0x00,
            0x03,
            0x82,
            0x01,
            0x0f,
            0x00,
            0x30,
            0x82,
            0x01,
            0x0a,
            0x02,
            0x82,
            0x01,
            0x01,
            0x00,
            0xaf,
            0xf8,
            0xa5,
            0xba,
            0x20,
            0x40,
            0xcd,
            0x60,
            0x88,
            0x1f,
            0x27,
            0x34,
            0x57,
            0x2f,
            0x1b,
            0xc9,
            0xfc,
            0xf3,
            0x0b,
            0x9f,
            0xb3,
            0xb8,
            0x26,
            0x67,
            0x78,
            0x79,
            0x2b,
            0xfe,
            0x68,
            0xa3,
            0x95,
            0x8c,
            0x40,
            0x6f,
            0x80,
            0x8b,
            0x15,
            0x8f,
            0x0b,
            0x4c,
            0x66,
            0x8d,
            0x17,
            0x32,
            0x6a,
            0xa0,
            0x57,
            0x74,
            0x2d,
            0x31,
            0xc4,
            0x8e,
            0xa4,
            0x76,
            0x6b,
            0xff,
            0x93,
            0x05,
            0x44,
            0x9b,
            0xe9,
            0xf2,
            0x81,
            0x1e,
            0x3b,
            0x2e,
            0x05,
            0x67,
            0x01,
            0x85,
            0x5a,
            0xed,
            0xad,
            0xc8,
            0x55,
            0x4b,
            0x8e,
            0x80,
            0x1e,
            0x7a,
            0x5a,
            0xbd,
            0xc2,
            0x8e,
            0x5f,
            0x4f,
            0x3a,
            0x52,
            0xda,
            0x2d,
            0x86,
            0x0d,
            0x6b,
            0xaf,
            0xe2,
            0x12,
            0xd1,
            0x6e,
            0x15,
            0x78,
            0xb5,
            0x06,
            0x1c,
            0xa2,
            0xb4,
            0xda,
            0x3c,
            0xfe,
            0x8b,
            0x4c,
            0x70,
            0x5c,
            0xc5,
            0x5c,
            0x86,
            0xf6,
            0x95,
            0x01,
            0x88,
            0x44,
            0x99,
            0xd2,
            0x97,
            0x47,
            0xdb,
            0xdb,
            0x4f,
            0x6d,
            0x1a,
            0xd1,
            0x1d,
            0x74,
            0x0b,
            0x89,
            0x5c,
            0x05,
            0x19,
            0xe7,
            0xe7,
            0x17,
            0xee,
            0xb5,
            0xf8,
            0x75,
            0x96,
            0x95,
            0x5a,
            0xfd,
            0x37,
            0x4d,
            0xa1,
            0xda,
            0x5c,
            0xf6,
            0x5c,
            0x60,
            0xa1,
            0x04,
            0x92,
            0xa5,
            0x42,
            0x02,
            0xbd,
            0x40,
            0xb3,
            0x1e,
            0xab,
            0x28,
            0x0b,
            0x28,
            0x79,
            0x92,
            0xdc,
            0x23,
            0xde,
            0xad,
            0x28,
            0x06,
            0xba,
            0x93,
            0x28,
            0x3f,
            0xf4,
            0x6a,
            0x10,
            0x11,
            0xf1,
            0xe4,
            0x92,
            0x5b,
            0x65,
            0xce,
            0x0f,
            0x13,
            0x34,
            0x87,
            0xb6,
            0xa4,
            0x1d,
            0xe3,
            0x4a,
            0xea,
            0xc8,
            0xcf,
            0x4e,
            0x21,
            0xf2,
            0x70,
            0x18,
            0x9f,
            0x3a,
            0x62,
            0x43,
            0x70,
            0x89,
            0xb9,
            0xca,
            0xab,
            0xa6,
            0xb1,
            0x55,
            0x42,
            0x3d,
            0x25,
            0x35,
            0xd6,
            0xa2,
            0x77,
            0x0f,
            0x66,
            0x88,
            0xd2,
            0x43,
            0x6b,
            0xfa,
            0x3c,
            0xa3,
            0xcf,
            0xa1,
            0x56,
            0x84,
            0xe5,
            0x9b,
            0x25,
            0xff,
            0x02,
            0xb6,
            0x9d,
            0xaf,
            0x6a,
            0x4d,
            0x8c,
            0xf8,
            0x3e,
            0xf7,
            0xe5,
            0x02,
            0x03,
            0x01,
            0x00,
            0x01,
            0xa3,
            0x50,
            0x30,
            0x4e,
            0x30,
            0x1d,
            0x06,
            0x03,
            0x55,
            0x1d,
            0x0e,
            0x04,
            0x16,
            0x04,
            0x14,
            0x62,
            0xf2,
            0x1f,
            0xd6,
            0x29,
            0xfa,
            0x61,
            0x88,
            0x4c,
            0x36,
            0x39,
            0xed,
            0x9f,
            0x8e,
            0xcf,
            0x3b,
            0xdc,
            0x90,
            0x04,
            0xa5,
            0x30,
            0x1f,
            0x06,
            0x03,
            0x55,
            0x1d,
            0x23,
            0x04,
            0x18,
            0x30,
            0x16,
            0x80,
            0x14,
            0x62,
            0xf2,
            0x1f,
            0xd6,
            0x29,
            0xfa,
            0x61,
            0x88,
            0x4c,
            0x36,
            0x39,
            0xed,
            0x9f,
            0x8e,
            0xcf,
            0x3b,
            0xdc,
            0x90,
            0x04,
            0xa5,
            0x30,
            0x0c,
            0x06,
            0x03,
            0x55,
            0x1d,
            0x13,
            0x04,
            0x05,
            0x30,
            0x03,
            0x01,
            0x01,
            0xff,
            0x30,
            0x0d,
            0x06,
            0x09,
            0x2a,
            0x86,
            0x48,
            0x86,
            0xf7,
            0x0d,
            0x01,
            0x01,
            0x03,
            0x05,
            0x00,
            0x03,
            0x82,
            0x01,
            0x01,
            0x00,
            0x9e,
            0x36,
            0xff,
            0xf5,
            0x77,
            0x46,
            0x80,
            0x22,
            0xc4,
            0x01,
            0x05,
            0x69,
            0x84,
            0xd1,
            0xdc,
            0x0c,
            0xce,
            0xda,
            0x2f,
            0x21,
            0x11,
            0x9a,
            0x80,
            0x24,
            0x81,
            0xea,
            0x1b,
            0x1a,
            0xb9,
            0x5d,
            0x70,
            0x60,
            0xaf,
            0xbc,
            0xca,
            0xdb,
            0xc4,
            0x10,
            0x6e,
            0x17,
            0xdb,
            0x58,
            0x11,
            0x0c,
            0xec,
            0x0e,
            0xdd,
            0xf8,
            0xbf,
            0x42,
            0x27,
            0x2d,
            0x06,
            0x75,
            0x25,
            0xc0,
            0xdb,
            0xb0,
            0x35,
            0x0c,
            0x66,
            0xfb,
            0xfd,
            0x0e,
            0xb9,
            0x16,
            0x9e,
            0x34,
            0xaf,
            0xdb,
            0x72,
            0x6e,
            0xb3,
            0x6d,
            0x5e,
            0xb2,
            0xf0,
            0x6d,
            0x46,
            0x32,
            0xba,
            0x35,
            0xb5,
            0x3b,
            0xc5,
            0x72,
            0xb7,
            0x1c,
            0x88,
            0x6a,
            0x84,
            0xc2,
            0xde,
            0x1d,
            0x45,
            0x30,
            0x41,
            0x3d,
            0xc5,
            0xbb,
            0x0a,
            0x78,
            0xe9,
            0xef,
            0x59,
            0xc6,
            0xbc,
            0x0c,
            0x9d,
            0x36,
            0x1f,
            0xc8,
            0xb1,
            0x1b,
            0xd3,
            0x1c,
            0xec,
            0x57,
            0x69,
            0x8b,
            0xcb,
            0x1b,
            0x93,
            0x99,
            0x2e,
            0xab,
            0x8d,
            0xd7,
            0x63,
            0xc5,
            0x1f,
            0x58,
            0x9d,
            0x06,
            0x8e,
            0xf1,
            0x47,
            0x64,
            0xc5,
            0xf3,
            0x03,
            0x8d,
            0x2c,
            0x8a,
            0x99,
            0x2c,
            0xe6,
            0x89,
            0x87,
            0xb2,
            0x42,
            0xdd,
            0x18,
            0xf0,
            0xc9,
            0xdb,
            0x6c,
            0xee,
            0x3e,
            0x5e,
            0xc5,
            0x75,
            0xc7,
            0x45,
            0xd3,
            0xd0,
            0xaa,
            0xf7,
            0x0d,
            0xac,
            0xaa,
            0x4c,
            0xb4,
            0xa4,
            0xa2,
            0xb7,
            0xfc,
            0x65,
            0xb0,
            0x2e,
            0x83,
            0xbd,
            0x7a,
            0x65,
            0xfb,
            0x1b,
            0x92,
            0x3f,
            0x8d,
            0x47,
            0x0c,
            0xbb,
            0x4a,
            0x38,
            0xc5,
            0x67,
            0x87,
            0x8e,
            0x79,
            0xd6,
            0x48,
            0xc7,
            0xf2,
            0x92,
            0xdb,
            0x6e,
            0xf9,
            0x54,
            0x01,
            0xed,
            0xdb,
            0xbd,
            0xe0,
            0x12,
            0x18,
            0xd9,
            0xcf,
            0x36,
            0x5d,
            0x7e,
            0xe9,
            0xb9,
            0x27,
            0x09,
            0x80,
            0x1a,
            0x2f,
            0xb9,
            0x58,
            0xc6,
            0x6f,
            0xa2,
            0x42,
            0x7a,
            0x7b,
            0x20,
            0xf2,
            0xc9,
            0x85,
            0x54,
            0x11,
            0xa2,
            0xe3,
            0x31,
            0x0f,
            0x71,
            0x6a,
            0xea,
            0x0e,
            0xef,
            0xba,
            0x6d,
            0x5e,
            0x88,
            0x01,
            0xaf,
        };

        scoped_refptr<X509Certificate> cert = X509Certificate::CreateFromBytes(
            reinterpret_cast<const char*>(kCertificateDataDER),
            sizeof(kCertificateDataDER));

        std::string channel_bindings;
        ASSERT_FALSE(
            x509_util::GetTLSServerEndPointChannelBinding(*cert, &channel_bindings));
        EXPECT_TRUE(channel_bindings.empty());
    }

} // namespace x509_util

} // namespace net
